Colour
#305D56
- #305D56
- Cyan
- Dark
- Nearest: Dark slate grey
#305D56 is a cyan with RGB values 48, 93, 86 and HSL 171°, 32%, 28%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#305D56#305D56
HEX#305D56
RGBrgb(48, 93, 86)
RGB (0–1)0.1882, 0.3647, 0.3373
RGB percentages18.8%, 36.5%, 33.7%
HSLhsl(170.7, 31.9%, 27.6%)
HSV / HSBhsv(170.7, 48.4%, 36.5%)
CMYK48.4%, 0%, 7.5%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,169,622
CSS custom property--colour: #305D56;
Brightness & contrast
Relative luminance0.09129WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.43:1
Contrast with white7.43:1WCAG normal text: AAA
Contrast with black2.83:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#CFA2A9
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.43:1WCAG large text: AAA
Contrast with black, large text2.83:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5D3037
Analogous#305D40, #304D5D
Triadic#56305D, #5D5630
Split complementary#5D304D, #5D4030
Tetradic#40305D, #5D3037, #4E5D30
Tints, shades & saturation
Channel breakdown
R48
G93
B86
Red48 (18.8%)
Green93 (36.5%)
Blue86 (33.7%)
Hue170.67°
Saturation (HSL)31.91%
Lightness27.65%
Dominant channelGreen
Hex per channelR 30 · G 5D · B 56
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